Z-Flex 7" x 45' Aluminum Liner Kit MD36310 It is built in standard

It is built in standard sizes and is modeled after our very popular Genesis bi-fold custom fireplace glass door

With a 6 1/2" depth

Stainless steel construction for long-lasting outdoor use

10" x 12" Galvanized Chimney Pipe

Z-Flex 7" x 45' Aluminum Liner Kit MD36310 It is built in standardUL listed aluminum chimney liner kit for use with Category I natural draft gas fired heating equipment and gas fireplaces. Note: For Use with Natural Draft Appliances. Not intended for use with Category II, III, or IV gas burning appliances as defined by the National Fuel Gas Code, NFPA 54, or other appliances that result in condensation or corrosive acids on the liner of the chimney, or that create positive pressures in the chimney system.